Created abstract class for parsing APIs

xml-inflater/src/main/java/com/itsaky/androidide/inflater/AbstractParser.kt

@@ -0,0 +1,134 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.inflater
+
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.Drawable
+import com.itsaky.androidide.inflater.internal.utils.defaultGravity
+import com.itsaky.androidide.inflater.internal.utils.unknownDrawable
+
+/**
+ * Abstract class which provides access to the internal parsing utility methods to its subclasses.
+ *
+ * @author Akash Yadav
+ */
+abstract class AbstractParser {
+  
+  /**
+   * Parses the given string value representing an integer or reference to an integer resource to
+   * its actual value.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseFloat(value: String, def: Float = 0f): Float {
+    return com.itsaky.androidide.inflater.internal.utils.parseFloat(value = value, def = def)
+  }
+  
+  /**
+   * Parses the given string value representing an integer or reference to an integer resource to
+   * its actual value.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseInteger(value: String, def: Int = 0): Int {
+    return com.itsaky.androidide.inflater.internal.utils.parseInteger(value = value, def = def)
+  }
+
+  /**
+   * Parses the given string value representing a boolean or reference to an boolean resource to its
+   * actual value.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseBoolean(value: String, def: Boolean = false): Boolean {
+    return com.itsaky.androidide.inflater.internal.utils.parseBoolean(value = value, def = def)
+  }
+
+  /**
+   * Parses the given string value representing a color or reference to a drawable resource to an
+   * actual drawable which can be rendered.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseDrawable(
+    context: Context,
+    value: String,
+    def: Drawable = unknownDrawable()
+  ): Drawable {
+    return com.itsaky.androidide.inflater.internal.utils.parseDrawable(
+      context = context,
+      value = value,
+      def = def
+    )
+  }
+
+  /**
+   * Parses the gravity flags which can be single flag value like `center` or a multiple combined
+   * flag values like `start|top`.
+   *
+   * @param value The gravity string.
+   * @param def The default gravity flag value.
+   */
+  @JvmOverloads
+  protected open fun parseGravity(value: String, def: Int = defaultGravity()): Int {
+    return com.itsaky.androidide.inflater.internal.utils.parseGravity(value = value, def = def)
+  }
+
+  /**
+   * Parses the given string value representing a dimension value or reference to a dimension
+   * resource to its actual value.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseDimension(context: Context, value: String, def: Int = 0): Int {
+    return com.itsaky.androidide.inflater.internal.utils
+      .parseDimension(context = context, value = value, def = def.toFloat())
+      .toInt()
+  }
+
+  /**
+   * Parses the given string value representing a color code or reference to a color resource to its
+   * actual value.
+   *
+   * @param value The string value. Usually value from attributes.
+   * @param def The default value.
+   */
+  @JvmOverloads
+  protected open fun parseColor(
+    context: Context,
+    value: String,
+    def: Int = Color.TRANSPARENT
+  ): Int {
+    return com.itsaky.androidide.inflater.internal.utils.parseColor(
+      context = context,
+      value = value,
+      def = def
+    )
+  }
+}

xml-inflater/src/main/java/com/itsaky/androidide/inflater/IAttributeAdapter.kt

@@ -22,7 +22,7 @@ package com.itsaky.androidide.inflater
  *
  * @author Akash Yadav
  */
-abstract class IAttributeAdapter {
+abstract class IAttributeAdapter : AbstractParser() {
 
   /**
    * Apply the given attribute to the given view.

xml-inflater/src/main/java/com/itsaky/androidide/inflater/drawable/IDrawableParser.kt

@@ -21,6 +21,7 @@ import android.graphics.drawable.Drawable
 import android.os.Build.VERSION
 import android.os.Build.VERSION_CODES
 import androidx.annotation.ChecksSdkIntAtLeast
+import com.itsaky.androidide.inflater.AbstractParser
 import org.xmlpull.v1.XmlPullParser
 
 /**
@@ -29,7 +30,7 @@ import org.xmlpull.v1.XmlPullParser
  * @author Akash Yadav
  */
 abstract class IDrawableParser
-protected constructor(protected open val parser: XmlPullParser?, open var minDepth: Int) {
+protected constructor(protected open val parser: XmlPullParser?, open var minDepth: Int) : AbstractParser() {
   /**
    * Parse the drawable using the already provided parser and data.
    *
@@ -61,33 +62,7 @@ protected constructor(protected open val parser: XmlPullParser?, open var minDep
     }
     return drawable
   }
-
-  protected fun parseInteger(value: String, def: Int): Int {
-    return com.itsaky.androidide.inflater.internal.utils.parseInteger(value, def)
-  }
-
-  protected fun parseBoolean(value: String): Boolean {
-    return com.itsaky.androidide.inflater.internal.utils.parseBoolean(value)
-  }
-
-  protected fun parseDrawable(context: Context, value: String): Drawable {
-    return com.itsaky.androidide.inflater.internal.utils.parseDrawable(context, value)
-  }
-
-  protected fun parseGravity(value: String): Int {
-    return com.itsaky.androidide.inflater.internal.utils.parseGravity(value)
-  }
-
-  protected fun parseDimension(context: Context?, value: String?): Int {
-    return com.itsaky.androidide.inflater.internal.utils
-      .parseDimension(context!!, value, 0f)
-      .toInt()
-  }
-
-  protected fun parseColor(context: Context, value: String): Int {
-    return com.itsaky.androidide.inflater.internal.utils.parseColor(context, value)
-  }
-
+  
   /**
    * Actual implementation of the parse logic.
    *

xml-inflater/src/main/java/com/itsaky/androidide/inflater/internal/adapters/ViewAttrAdapter.kt

@@ -51,18 +51,13 @@ open class ViewAttrAdapter : IAttributeAdapter() {
         "alpha" -> alpha = parseFloat(value)
         else -> handled = false
       }
-      this.layoutParams = layoutParams
+      
+      if (handled) {
+        this.layoutParams = layoutParams
+      }
     }
   }
   
-  protected fun parseDimension(context: Context, value: String): Int {
-    return com.itsaky.androidide.inflater.internal.utils.parseDimension(context, value).roundToInt()
-  }
-  
-  protected fun parseFloat(value: String, def: Float = 1f): Float {
-    return com.itsaky.androidide.inflater.internal.utils.parseFloat(value, def)
-  }
-  
   override fun applyBasic(view: IView) {
     TODO("Not yet implemented")
   }

xml-inflater/src/main/java/com/itsaky/androidide/inflater/internal/utils/parseUtils.kt

@@ -284,11 +284,11 @@ fun parseDimension(
   }
 }
 
-fun parseFloat(value: String, defValue: Float): Float {
+fun parseFloat(value: String, def: Float): Float {
   return try {
     value.toFloat()
   } catch (err: Throwable) {
-    defValue
+    def
   }
 }